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Joined: Mar 2009
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Talk Morgan Addict
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Originally Posted By Burgundymog
I don't get any neg or pos pressure in my tank but after filling up fuel fumes until the tank goes down to about half full, any ideas?

I would check as Bud suggests but I've had two mogs that did this. Both had micro splits along the top seams.
I found it by taking out the tool tray. Fill the tank. Run kitchen towel along the seams around the top of the tank and you'll locate the tiny leaks.
Nick

Joined: Aug 2013
Posts: 40
C
Just Getting Started
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I had a longtime fuel smelling and leaking problem and got also sprayed with petrol during the last summer.

The reason was a buckled petrol hose between the petrol tank and the roll over valve on top of the tank. The underlying cause was a broken bracket of the roll over valve. Subsequently the pressure in the petrol tank is encreased.

Now I‘ve fixed the roll over valve and renewed the petrol hose - all problems are solved since I made this modification.


Christian

4/4 sports grey
Joined: Mar 2017
Posts: 2,222
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Originally Posted By britmog
Craig,

Did you find out what the cause was for the vacuum when the factory sorted it?


From memory, Mark Baldwin said there was a Kink in the line and the roll over valve was repositioned. They had the car for 1 week.


Craig Jezz


Joined: May 2014
Posts: 5,110
Likes: 56
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Originally Posted By nick w
Originally Posted By Burgundymog
I don't get any neg or pos pressure in my tank but after filling up fuel fumes until the tank goes down to about half full, any ideas?

I would check as Bud suggests but I've had two mogs that did this. Both had micro splits along the top seams.
I found it by taking out the tool tray. Fill the tank. Run kitchen towel along the seams around the top of the tank and you'll locate the tiny leaks.
Nick

Thanks Nick


Keith
2013 narrow bodied + 4 Ruby.
ch44 #568254 22/03/19 09:38 PM
Joined: May 2014
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Likes: 56
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Originally Posted By ch44
I had a longtime fuel smelling and leaking problem and got also sprayed with petrol during the last summer.

The reason was a buckled petrol hose between the petrol tank and the roll over valve on top of the tank. The underlying cause was a broken bracket of the roll over valve. Subsequently the pressure in the petrol tank is encreased.

Now I‘ve fixed the roll over valve and renewed the petrol hose - all problems are solved since I made this modification.

I'll take a look


Keith
2013 narrow bodied + 4 Ruby.
Joined: Mar 2017
Posts: 2,222
Likes: 20
Talk Morgan Expert
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Originally Posted By Burgundymog
Originally Posted By nick w
Originally Posted By Burgundymog
I don't get any neg or pos pressure in my tank but after filling up fuel fumes until the tank goes down to about half full, any ideas?

I would check as Bud suggests but I've had two mogs that did this. Both had micro splits along the top seams.
I found it by taking out the tool tray. Fill the tank. Run kitchen towel along the seams around the top of the tank and you'll locate the tiny leaks.
Nick

Thanks Nick


You can see where my tank was leaking here, I had to have it replaced







Craig Jezz


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